
.container {
  width:100%;
  height:100%;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.face {
  position: relative;
  width: 200px;
  height: 200px;
  background: #ffd700;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

.face:hover {
  transform: scale(1.05);
}

.eye {
  position: absolute;
  width: 25px;
  height: 25px;
  background: #333;
  border-radius: 50%;
  top: 30%;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.left { left: 25%; }
.right { right: 25%; }

.happy-eye {
  height: 15px !important;
  border-radius: 15px !important;
}

.mouth {
  position: absolute;
  width: 80px;
  height: 40px;
  left: 50%;
  top: 55%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  transition: all 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.happy-mouth {
  border-radius: 0 0 80px 80px;
  border-bottom-width: 6px;
  border-bottom-color: #e74c3c;
  transform: translateX(-50%) scaleY(1.2);
}

.sad-mouth {
  border-radius: 80px 80px 0 0;
  border-top-width: 8px;
  border-top-color: #3498db;
  transform: translateX(-50%) scaleY(0.8);
}

.trigger-zone {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.3s ease;
}

.hint {
  position: absolute;
  bottom: 20%;
  font-size: 1.2em;
  color: #f8c1c1;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.hint.active {
  opacity: 1;
  transform: translateY(0);
  color: #2ecc71;
}

/* 微交互动画 */
@keyframes bounce {
0%, 100% { transform: translateY(0); }
50% { transform: translateY(-10px); }
}

.trigger-zone {
  animation: bounce 3s ease-in-out infinite;
}